Key bow



FIG. 1 is a top, rear, and left side perspective view of a key bow showing my new design, the bottom being a mirror image of the top and the broken-line disclosure of the blade portion being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a right side elevational view thereof; and,

FIG. 3 is a front elevational view thereof. 

The ornamental design for a key bow, as shown and described. 